Vulnerability in Ruby-Lang Ruby
CVE-2018-16396
An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.
EPSS: 0.080 (94.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ruby-lang Ruby — versions 2.6.0
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 8.0, 9.0
- Redhat Enterprise_linux — versions 6.0, 7.0, 7.4
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (Permissions Required, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Release Notes)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16396?
- CVE-2018-16396 is a high-severity vulnerability in Ruby-Lang Ruby. CVSS score: 8.1/10. Published 2018-11-16.
- How severe is CVE-2018-16396?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2018-16396 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.